Dangolla, A., Wijesundara, D. L. R., Blair, D., Fernando, D. D., Wijesundera, K. K., Chathuranga, W. G. D., de Silva, W. A. P. P., and Rajakaruna, R. S. (2020) Canine trypanosomosis in Sri Lanka: an emerging problem reported from three distinct geographic locations. Parasitology International, 77. 102129.

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Abstract

Here we report three cases of canine trypanosomosis presented to the Veterinary Teaching Hospital in the Faculty of Veterinary Medicine and Animal Sciences at the University of Peradeniya, Sri Lanka during 2018. The cases were presented to the hospital when the dogs were already in critical condition. Confirmation of the cases was done by microscopic examination of Giemsa-stained thin blood smears. All three dogs had bilateral keratitis and anterior chamber cloudiness in eyes. Despite the intramuscular administration of diminazine aceturate, all of them subsequently died. Amplification and sequencing of a fragment of the internal transcribed spacer 1 (ITS1) of the nuclear ribosomal DNA confirmed the parasite as Trypanosoma. evansi. This is the first record of clinical cases of canine trypanosomosis in Sri Lanka. The three cases reported here came from widely separated geographical locations within the country: Balangoda, Mullaitivu and Kadawatha.

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